121 results about "Odor control" patented technology

The invention discloses a multi-region aerosol disinfection and odor removal control method and system based on the Internet of Things, and the method comprises the steps: deploying a sensor network in multiple regions, synchronously collecting and carrying out the time-space correlation processing of multi-modal data including chemical, acoustic, thermal imaging and air flow field data; adopting a probabilistic reasoning model to estimate the probability that each area becomes a pollution source in real time, and generating a pollution source probability distribution map; on the basis of the distribution diagram and the air flow field data, the diffusion trend of pollutants is predicted through a diffusion prediction model, and a composite control strategy for treating a pollution source and intervening a pollutant diffusion path is generated; acquiring actual environment data fed back by the sensing network, comparing the actual environment data with a deviation generated by a prediction result, and performing parameter adjustment on the probabilistic reasoning model or the diffusion prediction model according to the deviation; according to the invention, the problems of response lag, no traceability and lack of predictive intervention capability in the prior art are solved, and adaptive control of pollution events is realized.

The present technology relates to fluff pulp having improved odor control and methods of making such fluff pulp. A fluff pulp is provided that includes bleached kraft fibers and a copper ion content of from about 0.2 ppm to about 50 ppm by weight of the bleached kraft fibers. The bleached kraft fibers include a length-weighted average fiber length of at least about 2 mm, a copper number of less than about 7, a carboxyl content of greater than about 3.5 meq / 100 grams; an ISO brightness of at least 80; and a viscosity of from about 2 cps to about 9 cps.

The invention relates to the technical field of air pollution control, and discloses a process for treating odor generated in organic industry by a direct absorption method, which comprises the following steps: S1, feeding odor into cooling and dehumidifying equipment through negative pressure, condensing most of steam in waste gas into water, and recycling condensed water; s2, a fan is arranged on a gas pipeline between cooling and dehumidifying equipment and an absorption tower, the subsequent higher pressure difference can be overcome, and under the low-humidity and low-temperature working condition, the fan feeds gas into the absorption tower; s3, gas enters an absorption tower through a fan, and a gas pipeline arranged at the top of the absorption tower is connected with a chimney for discharging; and S4, discharging the cooling circulating water and the absorption liquid to a sewage pipeline through an overflow port, and sending the cooling circulating water and the absorption liquid to a sewage treatment unit. In the operation process, frequent replacement of adsorption materials or complex equipment maintenance is not needed, the investment of manpower, material resources and financial resources for long-term operation is reduced, and effective treatment of odor can be achieved in the organic industry with low cost.

An automatic toilet bowl covering device is provided. The device is comprised of an automatic toilet bowl covering device designed to enhance bathroom hygiene by deploying a flexible, multi-layered cover over the toilet bowl opening during flushing to prevent the dispersion of airborne waste particles. The cover comprises hydrophobic, oleophobic, and antimicrobial layers for durability, cleanliness, and odor control, with accordion-style folds and elastic edging ensuring secure deployment and retraction. A motorized mechanism powered by a brushless DC motor smoothly operates the cover along guide tracks, while sensors automate the system based on user movement, lid position, and flushing activity. A UV-C light sterilizes the cover post-use within a storage compartment.

To provide a cleaning guide system capable of accurately performing a cleaning guide of a restroom.SOLUTION: A cleaning guide system comprises: a smell sensor which detects smell in a restroom; a control section which determines whether or not cleaning is needed based on a detection result of the smell sensor; and a notification section which performs notification of a cleaning guide in a case where it is determined by the control section that cleaning is needed. The smell in the restroom has first smell for which cleaning is needed and second smell for which cleaning is not needed. In a case where a smell value detected by the smell sensor is caused by the first smell, the control section performs notification of the cleaning guide. In a case where the smell value detected by the smell sensor is caused by the second smell, the notification section does not perform the notification of the cleaning guide.SELECTED DRAWING: Figure 5

The utility model provides a safe liquid feeding device which comprises a reaction kettle, a liquid bin, a vacuum system, a micro-pressure nitrogen system, a flow meter, a nitrogen regulating valve and a pressure detector, the vacuum system is connected with the reaction kettle, and the micro-pressure nitrogen system is connected with the liquid bin through a nitrogen conveying pipe. A second sealing valve, a nitrogen adjusting valve and a first sealing valve are further sequentially arranged on the nitrogen conveying pipe in the direction from the micro-pressure nitrogen system to the liquid bin, and a pressure detector is further arranged on the liquid bin and connected with the nitrogen adjusting valve; a discharging pipe extending into the bottom of the liquid bin is further arranged on the liquid bin, the discharging pipe is connected with the reaction kettle through a connecting pipe, and a flow meter and a sight glass are further arranged on the connecting pipe. According to the device, the whole feeding process is closed, the liquid catalyst can be quantitatively fed at a constant speed, the risk of material leakage is avoided, and the field smell control is relatively good.

To provide a diffuser, a smell control system, an information processor and a program which can diffuse a substance such as appropriate perfume into a space according to smell of the space.SOLUTION: There is provided a diffuser for diffusing a substance according to one aspect of the present invention. The diffuser includes a detection part, an information holding part, a comparison part, and a diffusion part. The detection part is configured to be able to detect smell in the air by a smell sensor including at least a crystal oscillator sensor. The information holding part holds at least one set of feature information indicating a feature of target smell and substance information indicating a substance corresponding to the smell. The comparison part is configured to be able to compare a detection result by the detection part and the feature information. The diffusion part is configured to be able to diffuse the substance indicated by the substance information corresponding to the feature information when the detection result coincides with the feature information.SELECTED DRAWING: Figure 3

A chemical composition for controlling odor and to a method of using the chemical composition to impart an odor control treatment to an article, more particularly to a textile material or a building or construction material. The chemical composition comprises a metal compound selected from the group consisting of a metal oxide, a metal hydroxide, and a combination thereof and a sulfo polyester. Methods of making and of using are provided.

Bag, in particular garbage bag, comprising a bag body (2) made of a film of plastic and / or paper and a carrier (18) in the form of a planar structure (19) with a large surface area (21) with an odor-controlling substance (22) on the surface (21), wherein the bag body (2) comprises two side walls (3, 4) which define an opening (16) with their upper edge, are connected to each other at their lateral edges by lateral weld seams (7, 8) and at their lower edge by a bottom or other closure (17) and the carrier (18) is arranged in and attached to the bag body, characterized in that the carrier (18) is arranged in a strip shape and in the upper half of the bag body (2).

This invention relates to the field of air purification technology, specifically disclosing an odor control device based on the Internet of Things (IoT). The device includes a first filter box with an air inlet groove on its surface and an air outlet groove at its bottom. A second filter box is disposed on the inner wall of the first filter box, containing a filter chamber assembly filled with activated carbon particles. A motor is mounted on the side wall of the second filter box, and a rotating rod is fixedly connected to the motor's output end. The rotating rod passes through the second filter box and is rotatably connected to it. A stirring assembly is fixedly connected to the outer wall of the rotating rod. In use, the motor is started to drive the rotating rod to rotate, which in turn drives the stirring assembly to rotate. The rotation of the stirring assembly causes the activated carbon particles in the filter chamber assembly to move, thereby increasing the contact area between the ambient gas and the activated carbon particles, thus improving filtration efficiency and reducing filtration costs.

The present invention provides a device and method for monitoring and graded control of odor pollution in a garbage disposal site, relating to the technical field of odor control in garbage disposal sites. The device comprises: a multi-stage pretreatment module for performing graded dehumidification and dust removal treatment on the monitored gas to obtain pretreated gas; an integrated monitoring module for obtaining an electrical signal of the odor component concentration of the pretreated gas; a first data processing module for converting the electrical signal of the odor component concentration to obtain a chemical concentration monitoring value; a second data processing module for converting the chemical concentration monitoring value into an odor concentration monitoring value; a grading module for grading the odor concentration monitoring value to obtain different levels of odor pollution; and a deodorization module for generating different deodorization implementation plans based on the odor concentration level. The present invention solves the problems of low odor monitoring accuracy and high odor control costs in the prior art.

The invention belongs to the technical field of intelligent household appliances, and particularly relates to an intelligent household appliance peculiar smell prevention control method, device and equipment and a computer storage medium. According to the method, the operation state of an anti-odor mode of a target intelligent household electrical appliance is obtained, and when the anti-odor mode is in an open state, the target operation duration, the target operation frequency and the target operation wind speed of the target intelligent household electrical appliance are obtained; and performing logic judgment on the target operation duration, the target operation frequency and the target operation wind speed, determining a control parameter of an anti-odor mode, and further controlling the target intelligent household appliance to perform anti-odor treatment according to the control parameter. According to the method, the probability that condensate water exists in the intelligent air conditioner is reduced, the possibility that the condensate water goes bad is further reduced, the refrigerating efficiency of the intelligent air conditioner is improved, and therefore the purpose of saving energy is achieved, the indoor air quality is improved, the long-term maintenance cost is reduced, and the use experience of a user is improved.

1. The name of this design product: Deodorizing device (horizontal row 1). 2. Purpose of this design product: Used as an odor-proof device for water pipes, used for drainage or odor prevention. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention discloses a refrigerator smell control method and device, a refrigerator and a storage medium. An essential oil slow-release device comprising a plurality of cavities is arranged in a refrigerator chamber, and essential oil with different functions is placed in different cavities. After the smell control function is started, essential oil in the multiple cavities is controlled to be released so as to operate a normal antibacterial mode; detecting the opening and closing state of a compartment door and the concentration of VOCs in the compartment; if it is detected that the chamber doors are opened, essential oil in the multiple chambers is controlled to be released so as to operate a rapid refreshing mode; if the VOCs concentration reaches a preset condition, essential oil release of the multiple cavities is controlled so as to operate an emergency purification mode; the chambers for releasing the essential oil are different in different modes. The essential oil with different functions can be released independently or in a combined manner, multiple modes are realized, and different requirements are met; a normal antibacterial mode is defaulted to run, and peculiar smell is slowed down; the environment change in the refrigerator is intelligently sensed, the smell control strategy is automatically adjusted according to the environment change, and the response speed and control precision of smell control are improved.

The application discloses a refrigerator and a method for controlling odor purification, and the method comprises the following steps: receiving current humidity monitoring data sent by a humidity sensor; determining whether the available volume in the storage compartment changes according to the current humidity monitoring data; if the available volume changes, determining the current available volume according to the current humidity monitoring data; determining the target parameter value of the target operating parameter of the odor purification device according to the current available volume, wherein the target parameter value of the target operating parameter is positively correlated with the current available volume; controlling the odor purification device to operate according to the target parameter value of the target operating parameter, so that the total working time of the odor purification device is positively correlated with the current available volume. According to the embodiment of the application, the parameter value of the target operating parameter of the odor purification device can be dynamically adjusted according to different available volumes in the refrigerator refrigerating chamber, so that the odor purification effect is improved, and the risk of ozone concentration exceeding the standard due to the change of the available volume is effectively avoided.

This application generally relates to absorbent articles comprising aqueous-based odor control compositions and non-complexed perfume compositions, applied in patterns which do not substantially overlap, and methods of making the same.

A piston-flush toilet comprising a toilet bowl, a waste passage system, a piston mechanism and a water reservoir. The improved waste passage closes the piston mechanism which pushes waste to the outlet with only one liter of water per flush. The water reservoir automatically refills the bowl after each use and is configured to maintain a water seal even if the main valve fails, ensuring odor control and efficient waste removal.

A water recycle system may be implemented to analyze and selectively recycle wastewater generated by an industrial textile washer. In some examples, wastewater generated by the industrial textile washer undergoes various treatment processes to generate a clarified wastewater that is stored before being recycled for reuse in the textile washer. Microbial contamination can grow in this stored water over time and the water can become odorous, which is undesirable when subsequently reusing the water to wash textiles. Systems and techniques can be implemented to treat the clarified water to control odor and / or microbial contamination, improving the effectiveness and quality of the water recycle system.

1. The name of this design product: Pet air purifier. 2. Purpose of this design product: used for sterilization and odor control. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The application discloses a kind of green and efficient pig breeding method and system, belong to the technical field of animal husbandry breeding.The method of the application includes four steps of preparation, management in the period of nursing and fattening, processing in the period of leaving and cleaning, resource recycling and facility maintenance.By spraying photocatalysis-microorganism composite functional coating on the surface of pig house, combined with AI visual dynamic precise feeding, source reduction is realized;By using bionic electronic nose and ventilation, deodorization system linkage, process intelligent control is realized;By using electrochemical circulating water washing, waste heat coupling biological filter or shared deodorization container, end efficient purification and small and medium field adaptation are realized;Finally, wastewater and waste material are recycled.The application solves the problems of unstable effect, high energy consumption, low intelligent degree, poor adaptability of small and medium field of existing odor control technology, and has the advantages of source reduction precision, process control in situ, end treatment closed loop, operation intelligence and easy popularization of small and medium field.

This utility model discloses an assembly structure and an odor control system, belonging to the technical field of electronic equipment. It includes a first housing, a second housing, and at least one decorative panel. The first housing is mounted on the second housing, and at least a first decorative surface is formed on the outer surfaces of both housings. A mounting cavity is formed between the first and second housings. The first or second housing has mounting holes located on the first decorative surface. On the first decorative surface, the first housing has a first guide rail, and the second housing has a second guide rail. The two sides of the decorative panel slide against the first and second guide rails respectively, covering the first decorative surface. The decorative panel conceals the mounting holes on the first decorative surface, preventing them from being exposed and improving the appearance of the assembly structure. Installation is convenient through sliding contact with the guide rails, improving the stability of the decorative panel.

The utility model relates to the technical field of garbage treatment, and discloses an odor treatment device for garbage leachate treatment, which comprises a filtrate box, a connecting shaft is rotatably arranged in the middle of the interior of the filtrate box, a stirring roller is fixedly connected to the outer wall of the connecting shaft, and a motor is fixedly arranged in the middle of one side of the filtrate box. A first air pump is fixedly arranged on one side of the upper end of the filtrate box, the input end of the first air pump is fixedly connected with a first air suction pipe, the end, away from the first air pump, of the first air pump is fixedly connected with one side, located in the filtrate box, of an air collecting hood, and a first treatment box, a second treatment box and a third treatment box are sequentially and fixedly arranged at the upper end of the filtrate box. According to the device, the emission speed of odor in the leachate can be increased, the odor can be automatically sucked out and treated, the odor treatment efficiency is further increased, the odor can be treated for three times, the situation that the environment is polluted due to the fact that the odor which is not completely treated is exhausted is prevented, and the deodorization effect is further improved.

This disclosure relates to compositions and methods for controlling personal care odors. More specifically, this disclosure relates to compositions comprising a ferment extract of Brevibacillus laterosporus or a fraction thereof for controlling body odor and methods for using the same. Compositions containing a ferment extract of Brevibacillus laterosporus are suitable for use as underarm / axillary deodorants and for odor control in personal care applications.

Various aqueous odor control treatment compositions for fibrous materials, especially fabrics and textiles, are described. The compositions include one or more aqueous cationic acrylic polymer emulsions and silica gel, alone or in combination with zeolite.

The application discloses a kind of stench detection automatic exhaust device and multi-modal intelligent ventilation control method, including the sensing module and ventilation execution host of wireless connection;There is no electrical connection between sensing module and ventilation execution host;Sensing module includes built-in gas sensor, sensing end microprocessor, sensing end wireless communication module and power supply, for collecting environmental gas concentration data and sending;Ventilation execution host includes fan module, main control unit and mains input interface;Main control unit includes main controller, communication module and motor drive circuit;Communication module is used to receive the data sent by sensing module;Main controller is used to run artificial intelligence recognition algorithm, assess odor type and intensity, and generate control instructions according to the evaluation results;Motor drive circuit drives fan module to run according to control instructions.The present application solves the problem of low response lag and energy efficiency in odor control through wireless gas sensing and multi-mode switchable ventilation control.

The utility model discloses a peculiar smell control device of a laboratory wastewater system, and relates to the technical field of laboratory wastewater treatment. The peculiar smell control device of the laboratory wastewater system comprises a treatment box, an acid liquid storage cylinder and an alkaline liquid storage cylinder, a water inlet pipe is fixedly connected to the top of the treatment box, a supporting ring is fixedly connected to the inner surface of the treatment box, a supporting plate is arranged in a groove in the supporting ring, and balls are arranged on the inner surface of the groove of the supporting ring; a supporting frame is fixedly connected to the inner surface of the supporting plate, a water distribution plate is fixedly connected to the top of the supporting frame, a water pump, a pH meter and a water outlet pipe are arranged on the outer surface of the treatment box, a detection head is arranged on the outer surface of the pH meter, and the outer surfaces of the water outlet pipe and the detection head penetrate through the treatment box and extend into the inner cavity; according to the utility model, the peculiar smell in the wastewater can be fully treated, and the influence of excessive peculiar smell on human health is prevented.

The invention mainly relates to a low-odor and low-volatile organic compound (VOC) glass fiber reinforced polypropylene modified material and a preparation method thereof. The method mainly comprises the following steps: synthesizing a novel MOF-PEG adsorbent which takes UiO-66-NH2 as a matrix and is grafted with poly (ethylene glycol) methacrylate (PEGMA), and preparing the glass fiber reinforced polypropylene composite material with excellent odor control capability and mechanical property by a physical blending method. The material is prepared from polypropylene, glass fibers, an interface compatilizer, an MOF-PEG adsorbent, an antioxidant, a lubricant and other auxiliaries. Through the physical adsorption and chemical coordination effects of the MOF-PEG adsorbent, volatile small-molecular organic matters generated in the processing and using processes of polypropylene are effectively captured, meanwhile, the compatibility between the MOF-based adsorbent and a high-molecular polymer matrix is improved through PEG grafting, and the microphase separation behavior of the MOF-based adsorbent is reduced.

This invention provides a multi-level odor control system for sludge, capable of distinguishing and treating high-, medium-, and low-concentration odors. The exhaust pipes of the incinerator buffer chamber and the sludge conveyor belt converge and are connected to a high-concentration first pipe section via a fan. The exhaust pipe in the sludge drying equipment converges with the high-concentration first pipe section and is connected to a high-concentration second pipe section. The high-concentration second pipe section is divided into two paths: one connecting to the medium-high concentration first pipe section, and the other connecting to the boiler air duct. The medium-high concentration first pipe section is divided into two paths: one connecting to the medium-high concentration second pipe section, and the other connecting to the exhaust pipe in the wet sludge tank. The medium-high concentration second pipe section is divided into two paths: one connecting to a strong deodorization device, and the other connecting to a medium-low concentration pipe section. The exhaust pipes of the sludge dryer and the sludge unloading area converge and are connected to a low-concentration pipe section. This low-concentration pipe section is divided into two paths: one connecting to the medium-low concentration pipe section, and the other connecting to a weak deodorization device.

A bra includes a pair of cups that support the wearer's breasts and a pair of absorbent inserts (12, 112) mounted to the cups. The inserts are arcuate with tapered ends, conforming to the lower curvature of the breasts, and are designed to absorb perspiration while providing a discreet and comfortable fit. The inserts may be composed of an antimicrobial, odor-neutralizing material, such as approximately 70% viscose from bamboo and approximately 30% cotton, and may optionally include a scented composition. The inserts are either removably housed within fabric sleeves (114) or stitched along the lower interior region of the cups, allowing for pivotability and adjustability. The bra may include a wide elastic band (116) for support and comfort. This design provides targeted moisture absorption, odor control, and a subtle lifting effect, making the bra suitable for daily wear or sports applications.

This utility model discloses an installation structure and odor control system, belonging to the technical field of electronic equipment. It includes a shell, an inner shell, and a support frame. The support frame includes a support plate and two sets of limiting members. The support plate is installed inside the shell, and both sets of limiting members are installed on the support plate and located near the outer edge of the support plate. The inner shell is installed on the support plate and located near the middle of the support plate, situated inside the shell. The first and second ends of the inner shell are located at the upper and lower ends of the support plate, respectively. A first receiving groove is formed between the two sets of limiting members at the first end of the inner shell. An opening is provided at the second end of the inner shell, forming a second receiving groove inside the inner shell, which communicates with the opening. The assembly process involves fixing the support plate inside the shell, placing the air pump and atomizer into the first and second receiving grooves, and then sealing the upper and lower ends of the shell. Only two steps are required in actual assembly, eliminating the need for screws to fix the air pump, thus greatly improving assembly efficiency.